0
Wiki User
It is (0.7+1.5)/2 = 1.1
1.1
26
57
15
-12.5
It is (5 + 10)/2 = 15/2 = 7.5
10 is the number halfway between -5 and 15.It is: 5
The halfway number is (15 + 129) /2 = 144/2 = 72
13
It is: 15
11.. 7+4=11 and 15-4=11
2626 is.